100220623608 has 128 divisors (see below), whose sum is σ = 288632678400. Its totient is φ = 28406441856.

The previous prime is 100220623579. The next prime is 100220623621. The reversal of 100220623608 is 806326022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13318135 + ... + 13325657.

It is an arithmetic number, because the mean of its divisors is an integer number (2254942800).

Almost surely, 2^100220623608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100220623608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144316339200).

100220623608 is an abundant number, since it is smaller than the sum of its proper divisors (188412054792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100220623608 is a wasteful number, since it uses less digits than its factorization.

100220623608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 100220623608 its reverse (806326022001), we get a palindrome (906546645609).

The spelling of 100220623608 in words is "one hundred billion, two hundred twenty million, six hundred twenty-three thousand, six hundred eight".